Enhancement Description

• One-line enhancement description: dynamic resource allocation

• Kubernetes Enhancement Proposal: https://github.com/kubernetes/enhancements/tree/master/keps/sig-node/3063-dynamic-resource-allocation

• Discussion Link: CNCF TAG Runtime Container Device Interface (COD) Working Group meeting(s)

• Primary contact (assignee): @pohly

• Responsible SIGs: SIG Node

• Enhancement target (which target equals to which milestone):

  • Alpha release target (x.y): 1.27
  • Beta release target (x.y): 1.29
  • Stable release target (x.y): 1.31

• Alpha (1.26)

  • KEP (k/enhancements) update PR(s):
    • KEP-3063: dynamic resource allocation #3064
    • KEP-3063: dynamic resource allocation updates for 1.26 #3502
    • KEP-3063 Update kep.yaml #3868
  • Code (k/k) update PR(s): dynamic resource allocation kubernetes#111023
  • Docs (k/website) update PR(s):
    • blog: add dynamic resource allocation feature blog post website#37434
    • dynamic resource allocation concepts website#37766

• Alpha (1.27)

  • KEP (k/enhancements) update PR(s):
    • KEP-3063 Update kep.yaml #3868
    • KEP 3063: Update to reflect changes merged into v1.27 #3802
  • Code (k/k) update PR(s):
    • api: resource.k8s.io v1alpha1 -> v1alpha2 kubernetes#116299
    • Update resource.AllocationResult with a slice of ResourceHandlers kubernetes#116332
    • dra: PodScheduling -> PodSchedulingContext kubernetes#116556
    • Update kubeletplugin API for DRA to v1alpha2 kubernetes#116558
    • optional: api: extend validation of dynamic resource allocation fields in PodSpec kubernetes#116576
  • Docs (k/website) update PR(s):
    • dynamic resource allocation: update for 1.27 website#40086

• Alpha (1.28)

  • KEP (k/enhancements) update PR(s):
    • KEP-3063: dra: pre-scheduled pods #4063
    • KEP-3063: dra: continue as alpha in 1.28 #4096
  • Code (k/k) update PR(s):
    • node authorizer: limit kubelet access to ResourceClaim objects kubernetes#116254
    • kubelet: support batched prepare/unprepare in v1alpha3 DRA plugin API kubernetes#119012
    • dra: pre-scheduled pods kubernetes#118209
    • DRA: generated resource claim names kubernetes#117351
    • dra: scheduler queueing hints kubernetes#119078
    • DRA controller: batch resource claims for Allocate kubernetes#118862
    • DRA: improve handling of completed pods kubernetes#118817
    • DRA: for delayed allocation, deallocate when no longer used kubernetes#118936
    • dynamic resource allocation: Improve code coverage of state checkpoint kubernetes#119058
    • DRA: don't query claims from API server kubernetes#119307
    • DRA: report NodePrepareResource errors kubernetes#118578
    • add unit test for dra/manager.go kubernetes#118711
    • Increase timeout for DRA kubelet plugin client kubernetes#119414
    • feature(scheduler): implement ClusterEventWithHint to filter out useless events kubernetes#118551
    • feature(scheduling_queue): track events per Pods kubernetes#118438
    • dynamic resource allocation: reuse gRPC connection kubernetes#118619 (v1.29)
  • Docs (k/website) update PR(s): dra: update for Kubernetes 1.28 website#41856

• Alpha (1.29)

  • KEP (k/enhancements) update PR(s):
    • DRA: handle non graceful node shutdowns #4260
    • KEP-3063: dynamic resource allocation: update kubelet plugin RPC versions supported. #4164
  • Code (k/k) update PR(s):
    • DRA: notify ResourceClaim or ResourceClass of params error kubernetes#121065
    • dra scheduler: fall back to SSA for PodSchedulingContext updates kubernetes#120534
    • dynamic resource allocation: reuse gRPC connection kubernetes#118619
    • dra e2e: fix "reallocation works" flake kubernetes#119195
    • DRA: Pass CDI devices with a new CRI field kubernetes#115891
    • DRA: call plugins for claims even if exist in cache kubernetes#120550
  • Docs (k/website) update PR(s):
    • Document impact of DRA on scheduling website#43907

• Alpha (1.30)

  • KEP (k/enhancements) update PR(s):
    • KEP-3063: DRA: 1.30 update #4181
  • Code (k/k) update PR(s):
    • dra: reserve + publish during pod binding kubernetes#121876
    • DRA: resource quotas kubernetes#120611
  • Docs (k/website) update PR(s):
    • Add Resource Drivers section to extending Kubernetes documentation website#43742
    • DRA in Kubernetes 1.30: adds structured parameters website#45287

• Alpha (1.31)

  • KEP (k/enhancements) update PR(s): KEP-4381: DRA update for 1.31 #4709
  • Code (k/k) update PR(s): DRA for 1.31 kubernetes#125488
  • Docs (k/website) update PR(s): DRA documentation for 1.31 website#46816

• Withdrawn (1.32)

  • KEP (k/enhancements) update PR(s): KEP-3063: Classic DRA: withdraw the KEP #4904
  • Code (k/k) update PR(s): DRA: remove "classic DRA" kubernetes#128003
  • Docs (k/website) update PR(s): DRA: remove "classic DRA" website#48289